xref: /openbmc/linux/sound/soc/codecs/wm9713.c (revision 55b8bac50a494871594e81a05b37c15e7283f868)
1 /*
2  * wm9713.c  --  ALSA Soc WM9713 codec support
3  *
4  * Copyright 2006 Wolfson Microelectronics PLC.
5  * Author: Liam Girdwood <lrg@slimlogic.co.uk>
6  *
7  *  This program is free software; you can redistribute  it and/or modify it
8  *  under  the terms of  the GNU General  Public License as published by the
9  *  Free Software Foundation;  either version 2 of the  License, or (at your
10  *  option) any later version.
11  *
12  *  Features:-
13  *
14  *   o Support for AC97 Codec, Voice DAC and Aux DAC
15  *   o Support for DAPM
16  */
17 
18 #include <linux/init.h>
19 #include <linux/module.h>
20 #include <linux/device.h>
21 #include <sound/core.h>
22 #include <sound/pcm.h>
23 #include <sound/ac97_codec.h>
24 #include <sound/initval.h>
25 #include <sound/pcm_params.h>
26 #include <sound/soc.h>
27 #include <sound/soc-dapm.h>
28 
29 #include "wm9713.h"
30 
31 #define WM9713_VERSION "0.15"
32 
33 struct wm9713_priv {
34 	u32 pll_in; /* PLL input frequency */
35 	u32 pll_out; /* PLL output frequency */
36 };
37 
38 static unsigned int ac97_read(struct snd_soc_codec *codec,
39 	unsigned int reg);
40 static int ac97_write(struct snd_soc_codec *codec,
41 	unsigned int reg, unsigned int val);
42 
43 /*
44  * WM9713 register cache
45  * Reg 0x3c bit 15 is used by touch driver.
46  */
47 static const u16 wm9713_reg[] = {
48 	0x6174, 0x8080, 0x8080, 0x8080,
49 	0xc880, 0xe808, 0xe808, 0x0808,
50 	0x00da, 0x8000, 0xd600, 0xaaa0,
51 	0xaaa0, 0xaaa0, 0x0000, 0x0000,
52 	0x0f0f, 0x0040, 0x0000, 0x7f00,
53 	0x0405, 0x0410, 0xbb80, 0xbb80,
54 	0x0000, 0xbb80, 0x0000, 0x4523,
55 	0x0000, 0x2000, 0x7eff, 0xffff,
56 	0x0000, 0x0000, 0x0080, 0x0000,
57 	0x0000, 0x0000, 0xfffe, 0xffff,
58 	0x0000, 0x0000, 0x0000, 0xfffe,
59 	0x4000, 0x0000, 0x0000, 0x0000,
60 	0xb032, 0x3e00, 0x0000, 0x0000,
61 	0x0000, 0x0000, 0x0000, 0x0000,
62 	0x0000, 0x0000, 0x0000, 0x0006,
63 	0x0001, 0x0000, 0x574d, 0x4c13,
64 	0x0000, 0x0000, 0x0000
65 };
66 
67 /* virtual HP mixers regs */
68 #define HPL_MIXER	0x80
69 #define HPR_MIXER	0x82
70 #define MICB_MUX	0x82
71 
72 static const char *wm9713_mic_mixer[] = {"Stereo", "Mic 1", "Mic 2", "Mute"};
73 static const char *wm9713_rec_mux[] = {"Stereo", "Left", "Right", "Mute"};
74 static const char *wm9713_rec_src[] =
75 	{"Mic 1", "Mic 2", "Line", "Mono In", "Headphone", "Speaker",
76 	"Mono Out", "Zh"};
77 static const char *wm9713_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
78 static const char *wm9713_alc_select[] = {"None", "Left", "Right", "Stereo"};
79 static const char *wm9713_mono_pga[] = {"Vmid", "Zh", "Mono", "Inv",
80 	"Mono Vmid", "Inv Vmid"};
81 static const char *wm9713_spk_pga[] =
82 	{"Vmid", "Zh", "Headphone", "Speaker", "Inv", "Headphone Vmid",
83 	"Speaker Vmid", "Inv Vmid"};
84 static const char *wm9713_hp_pga[] = {"Vmid", "Zh", "Headphone",
85 	"Headphone Vmid"};
86 static const char *wm9713_out3_pga[] = {"Vmid", "Zh", "Inv 1", "Inv 1 Vmid"};
87 static const char *wm9713_out4_pga[] = {"Vmid", "Zh", "Inv 2", "Inv 2 Vmid"};
88 static const char *wm9713_dac_inv[] =
89 	{"Off", "Mono", "Speaker", "Left Headphone", "Right Headphone",
90 	"Headphone Mono", "NC", "Vmid"};
91 static const char *wm9713_bass[] = {"Linear Control", "Adaptive Boost"};
92 static const char *wm9713_ng_type[] = {"Constant Gain", "Mute"};
93 static const char *wm9713_mic_select[] = {"Mic 1", "Mic 2 A", "Mic 2 B"};
94 static const char *wm9713_micb_select[] = {"MPB", "MPA"};
95 
96 static const struct soc_enum wm9713_enum[] = {
97 SOC_ENUM_SINGLE(AC97_LINE, 3, 4, wm9713_mic_mixer), /* record mic mixer 0 */
98 SOC_ENUM_SINGLE(AC97_VIDEO, 14, 4, wm9713_rec_mux), /* record mux hp 1 */
99 SOC_ENUM_SINGLE(AC97_VIDEO, 9, 4, wm9713_rec_mux),  /* record mux mono 2 */
100 SOC_ENUM_SINGLE(AC97_VIDEO, 3, 8, wm9713_rec_src),  /* record mux left 3 */
101 SOC_ENUM_SINGLE(AC97_VIDEO, 0, 8, wm9713_rec_src),  /* record mux right 4*/
102 SOC_ENUM_DOUBLE(AC97_CD, 14, 6, 2, wm9713_rec_gain), /* record step size 5 */
103 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9713_alc_select), /* alc source select 6*/
104 SOC_ENUM_SINGLE(AC97_REC_GAIN, 14, 4, wm9713_mono_pga), /* mono input select 7 */
105 SOC_ENUM_SINGLE(AC97_REC_GAIN, 11, 8, wm9713_spk_pga), /* speaker left input select 8 */
106 SOC_ENUM_SINGLE(AC97_REC_GAIN, 8, 8, wm9713_spk_pga), /* speaker right input select 9 */
107 SOC_ENUM_SINGLE(AC97_REC_GAIN, 6, 3, wm9713_hp_pga), /* headphone left input 10 */
108 SOC_ENUM_SINGLE(AC97_REC_GAIN, 4, 3, wm9713_hp_pga), /* headphone right input 11 */
109 SOC_ENUM_SINGLE(AC97_REC_GAIN, 2, 4, wm9713_out3_pga), /* out 3 source 12 */
110 SOC_ENUM_SINGLE(AC97_REC_GAIN, 0, 4, wm9713_out4_pga), /* out 4 source 13 */
111 SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 13, 8, wm9713_dac_inv), /* dac invert 1 14 */
112 SOC_ENUM_SINGLE(AC97_REC_GAIN_MIC, 10, 8, wm9713_dac_inv), /* dac invert 2 15 */
113 SOC_ENUM_SINGLE(AC97_GENERAL_PURPOSE, 15, 2, wm9713_bass), /* bass control 16 */
114 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9713_ng_type), /* noise gate type 17 */
115 SOC_ENUM_SINGLE(AC97_3D_CONTROL, 12, 3, wm9713_mic_select), /* mic selection 18 */
116 SOC_ENUM_SINGLE(MICB_MUX, 0, 2, wm9713_micb_select), /* mic selection 19 */
117 };
118 
119 static const struct snd_kcontrol_new wm9713_snd_ac97_controls[] = {
120 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
121 SOC_DOUBLE("Speaker Playback Switch", AC97_MASTER, 15, 7, 1, 1),
122 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
123 SOC_DOUBLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 7, 1, 1),
124 SOC_DOUBLE("Line In Volume", AC97_PC_BEEP, 8, 0, 31, 1),
125 SOC_DOUBLE("PCM Playback Volume", AC97_PHONE, 8, 0, 31, 1),
126 SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
127 SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
128 
129 SOC_SINGLE("Mic Boost (+20dB) Switch", AC97_LINE, 5, 1, 0),
130 SOC_SINGLE("Mic Headphone Mixer Volume", AC97_LINE, 0, 7, 1),
131 
132 SOC_SINGLE("Capture Switch", AC97_CD, 15, 1, 1),
133 SOC_ENUM("Capture Volume Steps", wm9713_enum[5]),
134 SOC_DOUBLE("Capture Volume", AC97_CD, 8, 0, 31, 0),
135 SOC_SINGLE("Capture ZC Switch", AC97_CD, 7, 1, 0),
136 
137 SOC_SINGLE("Capture to Headphone Volume", AC97_VIDEO, 11, 7, 1),
138 SOC_SINGLE("Capture to Mono Boost (+20dB) Switch", AC97_VIDEO, 8, 1, 0),
139 SOC_SINGLE("Capture ADC Boost (+20dB) Switch", AC97_VIDEO, 6, 1, 0),
140 
141 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
142 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
143 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
144 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
145 SOC_ENUM("ALC Function", wm9713_enum[6]),
146 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
147 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 0),
148 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
149 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
150 SOC_ENUM("ALC NG Type", wm9713_enum[17]),
151 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 0),
152 
153 SOC_DOUBLE("Speaker Playback ZC Switch", AC97_MASTER, 14, 6, 1, 0),
154 SOC_DOUBLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 14, 6, 1, 0),
155 
156 SOC_SINGLE("Out4 Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
157 SOC_SINGLE("Out4 Playback ZC Switch", AC97_MASTER_MONO, 14, 1, 0),
158 SOC_SINGLE("Out4 Playback Volume", AC97_MASTER_MONO, 8, 63, 1),
159 
160 SOC_SINGLE("Out3 Playback Switch", AC97_MASTER_MONO, 7, 1, 1),
161 SOC_SINGLE("Out3 Playback ZC Switch", AC97_MASTER_MONO, 6, 1, 0),
162 SOC_SINGLE("Out3 Playback Volume", AC97_MASTER_MONO, 0, 63, 1),
163 
164 SOC_SINGLE("Mono Capture Volume", AC97_MASTER_TONE, 8, 31, 1),
165 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_TONE, 7, 1, 1),
166 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_TONE, 6, 1, 0),
167 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_TONE, 0, 31, 1),
168 
169 SOC_SINGLE("PC Beep Playback Headphone Volume", AC97_AUX, 12, 7, 1),
170 SOC_SINGLE("PC Beep Playback Speaker Volume", AC97_AUX, 8, 7, 1),
171 SOC_SINGLE("PC Beep Playback Mono Volume", AC97_AUX, 4, 7, 1),
172 
173 SOC_SINGLE("Voice Playback Headphone Volume", AC97_PCM, 12, 7, 1),
174 SOC_SINGLE("Voice Playback Master Volume", AC97_PCM, 8, 7, 1),
175 SOC_SINGLE("Voice Playback Mono Volume", AC97_PCM, 4, 7, 1),
176 
177 SOC_SINGLE("Aux Playback Headphone Volume", AC97_REC_SEL, 12, 7, 1),
178 SOC_SINGLE("Aux Playback Master Volume", AC97_REC_SEL, 8, 7, 1),
179 SOC_SINGLE("Aux Playback Mono Volume", AC97_REC_SEL, 4, 7, 1),
180 
181 SOC_ENUM("Bass Control", wm9713_enum[16]),
182 SOC_SINGLE("Bass Cut-off Switch", AC97_GENERAL_PURPOSE, 12, 1, 1),
183 SOC_SINGLE("Tone Cut-off Switch", AC97_GENERAL_PURPOSE, 4, 1, 1),
184 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_GENERAL_PURPOSE, 6, 1, 0),
185 SOC_SINGLE("Bass Volume", AC97_GENERAL_PURPOSE, 8, 15, 1),
186 SOC_SINGLE("Tone Volume", AC97_GENERAL_PURPOSE, 0, 15, 1),
187 
188 SOC_SINGLE("3D Upper Cut-off Switch", AC97_REC_GAIN_MIC, 5, 1, 0),
189 SOC_SINGLE("3D Lower Cut-off Switch", AC97_REC_GAIN_MIC, 4, 1, 0),
190 SOC_SINGLE("3D Depth", AC97_REC_GAIN_MIC, 0, 15, 1),
191 };
192 
193 /* add non dapm controls */
194 static int wm9713_add_controls(struct snd_soc_codec *codec)
195 {
196 	int err, i;
197 
198 	for (i = 0; i < ARRAY_SIZE(wm9713_snd_ac97_controls); i++) {
199 		err = snd_ctl_add(codec->card,
200 				snd_soc_cnew(&wm9713_snd_ac97_controls[i],
201 					codec, NULL));
202 		if (err < 0)
203 			return err;
204 	}
205 	return 0;
206 }
207 
208 /* We have to create a fake left and right HP mixers because
209  * the codec only has a single control that is shared by both channels.
210  * This makes it impossible to determine the audio path using the current
211  * register map, thus we add a new (virtual) register to help determine the
212  * audio route within the device.
213  */
214 static int mixer_event(struct snd_soc_dapm_widget *w,
215 	struct snd_kcontrol *kcontrol, int event)
216 {
217 	u16 l, r, beep, tone, phone, rec, pcm, aux;
218 
219 	l = ac97_read(w->codec, HPL_MIXER);
220 	r = ac97_read(w->codec, HPR_MIXER);
221 	beep = ac97_read(w->codec, AC97_PC_BEEP);
222 	tone = ac97_read(w->codec, AC97_MASTER_TONE);
223 	phone = ac97_read(w->codec, AC97_PHONE);
224 	rec = ac97_read(w->codec, AC97_REC_SEL);
225 	pcm = ac97_read(w->codec, AC97_PCM);
226 	aux = ac97_read(w->codec, AC97_AUX);
227 
228 	if (event & SND_SOC_DAPM_PRE_REG)
229 		return 0;
230 	if ((l & 0x1) || (r & 0x1))
231 		ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
232 	else
233 		ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
234 
235 	if ((l & 0x2) || (r & 0x2))
236 		ac97_write(w->codec, AC97_MASTER_TONE, tone & 0x7fff);
237 	else
238 		ac97_write(w->codec, AC97_MASTER_TONE, tone | 0x8000);
239 
240 	if ((l & 0x4) || (r & 0x4))
241 		ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
242 	else
243 		ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
244 
245 	if ((l & 0x8) || (r & 0x8))
246 		ac97_write(w->codec, AC97_REC_SEL, rec & 0x7fff);
247 	else
248 		ac97_write(w->codec, AC97_REC_SEL, rec | 0x8000);
249 
250 	if ((l & 0x10) || (r & 0x10))
251 		ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
252 	else
253 		ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
254 
255 	if ((l & 0x20) || (r & 0x20))
256 		ac97_write(w->codec, AC97_AUX, aux & 0x7fff);
257 	else
258 		ac97_write(w->codec, AC97_AUX, aux | 0x8000);
259 
260 	return 0;
261 }
262 
263 /* Left Headphone Mixers */
264 static const struct snd_kcontrol_new wm9713_hpl_mixer_controls[] = {
265 SOC_DAPM_SINGLE("PC Beep Playback Switch", HPL_MIXER, 5, 1, 0),
266 SOC_DAPM_SINGLE("Voice Playback Switch", HPL_MIXER, 4, 1, 0),
267 SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 3, 1, 0),
268 SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 2, 1, 0),
269 SOC_DAPM_SINGLE("MonoIn Playback Switch", HPL_MIXER, 1, 1, 0),
270 SOC_DAPM_SINGLE("Bypass Playback Switch", HPL_MIXER, 0, 1, 0),
271 };
272 
273 /* Right Headphone Mixers */
274 static const struct snd_kcontrol_new wm9713_hpr_mixer_controls[] = {
275 SOC_DAPM_SINGLE("PC Beep Playback Switch", HPR_MIXER, 5, 1, 0),
276 SOC_DAPM_SINGLE("Voice Playback Switch", HPR_MIXER, 4, 1, 0),
277 SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 3, 1, 0),
278 SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 2, 1, 0),
279 SOC_DAPM_SINGLE("MonoIn Playback Switch", HPR_MIXER, 1, 1, 0),
280 SOC_DAPM_SINGLE("Bypass Playback Switch", HPR_MIXER, 0, 1, 0),
281 };
282 
283 /* headphone capture mux */
284 static const struct snd_kcontrol_new wm9713_hp_rec_mux_controls =
285 SOC_DAPM_ENUM("Route", wm9713_enum[1]);
286 
287 /* headphone mic mux */
288 static const struct snd_kcontrol_new wm9713_hp_mic_mux_controls =
289 SOC_DAPM_ENUM("Route", wm9713_enum[0]);
290 
291 /* Speaker Mixer */
292 static const struct snd_kcontrol_new wm9713_speaker_mixer_controls[] = {
293 SOC_DAPM_SINGLE("PC Beep Playback Switch", AC97_AUX, 11, 1, 1),
294 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 11, 1, 1),
295 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 11, 1, 1),
296 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 14, 1, 1),
297 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 14, 1, 1),
298 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 14, 1, 1),
299 };
300 
301 /* Mono Mixer */
302 static const struct snd_kcontrol_new wm9713_mono_mixer_controls[] = {
303 SOC_DAPM_SINGLE("PC Beep Playback Switch", AC97_AUX, 7, 1, 1),
304 SOC_DAPM_SINGLE("Voice Playback Switch", AC97_PCM, 7, 1, 1),
305 SOC_DAPM_SINGLE("Aux Playback Switch", AC97_REC_SEL, 7, 1, 1),
306 SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PHONE, 13, 1, 1),
307 SOC_DAPM_SINGLE("MonoIn Playback Switch", AC97_MASTER_TONE, 13, 1, 1),
308 SOC_DAPM_SINGLE("Bypass Playback Switch", AC97_PC_BEEP, 13, 1, 1),
309 SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_LINE, 7, 1, 1),
310 SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_LINE, 6, 1, 1),
311 };
312 
313 /* mono mic mux */
314 static const struct snd_kcontrol_new wm9713_mono_mic_mux_controls =
315 SOC_DAPM_ENUM("Route", wm9713_enum[2]);
316 
317 /* mono output mux */
318 static const struct snd_kcontrol_new wm9713_mono_mux_controls =
319 SOC_DAPM_ENUM("Route", wm9713_enum[7]);
320 
321 /* speaker left output mux */
322 static const struct snd_kcontrol_new wm9713_hp_spkl_mux_controls =
323 SOC_DAPM_ENUM("Route", wm9713_enum[8]);
324 
325 /* speaker right output mux */
326 static const struct snd_kcontrol_new wm9713_hp_spkr_mux_controls =
327 SOC_DAPM_ENUM("Route", wm9713_enum[9]);
328 
329 /* headphone left output mux */
330 static const struct snd_kcontrol_new wm9713_hpl_out_mux_controls =
331 SOC_DAPM_ENUM("Route", wm9713_enum[10]);
332 
333 /* headphone right output mux */
334 static const struct snd_kcontrol_new wm9713_hpr_out_mux_controls =
335 SOC_DAPM_ENUM("Route", wm9713_enum[11]);
336 
337 /* Out3 mux */
338 static const struct snd_kcontrol_new wm9713_out3_mux_controls =
339 SOC_DAPM_ENUM("Route", wm9713_enum[12]);
340 
341 /* Out4 mux */
342 static const struct snd_kcontrol_new wm9713_out4_mux_controls =
343 SOC_DAPM_ENUM("Route", wm9713_enum[13]);
344 
345 /* DAC inv mux 1 */
346 static const struct snd_kcontrol_new wm9713_dac_inv1_mux_controls =
347 SOC_DAPM_ENUM("Route", wm9713_enum[14]);
348 
349 /* DAC inv mux 2 */
350 static const struct snd_kcontrol_new wm9713_dac_inv2_mux_controls =
351 SOC_DAPM_ENUM("Route", wm9713_enum[15]);
352 
353 /* Capture source left */
354 static const struct snd_kcontrol_new wm9713_rec_srcl_mux_controls =
355 SOC_DAPM_ENUM("Route", wm9713_enum[3]);
356 
357 /* Capture source right */
358 static const struct snd_kcontrol_new wm9713_rec_srcr_mux_controls =
359 SOC_DAPM_ENUM("Route", wm9713_enum[4]);
360 
361 /* mic source */
362 static const struct snd_kcontrol_new wm9713_mic_sel_mux_controls =
363 SOC_DAPM_ENUM("Route", wm9713_enum[18]);
364 
365 /* mic source B virtual control */
366 static const struct snd_kcontrol_new wm9713_micb_sel_mux_controls =
367 SOC_DAPM_ENUM("Route", wm9713_enum[19]);
368 
369 static const struct snd_soc_dapm_widget wm9713_dapm_widgets[] = {
370 SND_SOC_DAPM_MUX("Capture Headphone Mux", SND_SOC_NOPM, 0, 0,
371 	&wm9713_hp_rec_mux_controls),
372 SND_SOC_DAPM_MUX("Sidetone Mux", SND_SOC_NOPM, 0, 0,
373 	&wm9713_hp_mic_mux_controls),
374 SND_SOC_DAPM_MUX("Capture Mono Mux", SND_SOC_NOPM, 0, 0,
375 	&wm9713_mono_mic_mux_controls),
376 SND_SOC_DAPM_MUX("Mono Out Mux", SND_SOC_NOPM, 0, 0,
377 	&wm9713_mono_mux_controls),
378 SND_SOC_DAPM_MUX("Left Speaker Out Mux", SND_SOC_NOPM, 0, 0,
379 	&wm9713_hp_spkl_mux_controls),
380 SND_SOC_DAPM_MUX("Right Speaker Out Mux", SND_SOC_NOPM, 0, 0,
381 	&wm9713_hp_spkr_mux_controls),
382 SND_SOC_DAPM_MUX("Left Headphone Out Mux", SND_SOC_NOPM, 0, 0,
383 	&wm9713_hpl_out_mux_controls),
384 SND_SOC_DAPM_MUX("Right Headphone Out Mux", SND_SOC_NOPM, 0, 0,
385 	&wm9713_hpr_out_mux_controls),
386 SND_SOC_DAPM_MUX("Out 3 Mux", SND_SOC_NOPM, 0, 0,
387 	&wm9713_out3_mux_controls),
388 SND_SOC_DAPM_MUX("Out 4 Mux", SND_SOC_NOPM, 0, 0,
389 	&wm9713_out4_mux_controls),
390 SND_SOC_DAPM_MUX("DAC Inv Mux 1", SND_SOC_NOPM, 0, 0,
391 	&wm9713_dac_inv1_mux_controls),
392 SND_SOC_DAPM_MUX("DAC Inv Mux 2", SND_SOC_NOPM, 0, 0,
393 	&wm9713_dac_inv2_mux_controls),
394 SND_SOC_DAPM_MUX("Left Capture Source", SND_SOC_NOPM, 0, 0,
395 	&wm9713_rec_srcl_mux_controls),
396 SND_SOC_DAPM_MUX("Right Capture Source", SND_SOC_NOPM, 0, 0,
397 	&wm9713_rec_srcr_mux_controls),
398 SND_SOC_DAPM_MUX("Mic A Source", SND_SOC_NOPM, 0, 0,
399 	&wm9713_mic_sel_mux_controls),
400 SND_SOC_DAPM_MUX("Mic B Source", SND_SOC_NOPM, 0, 0,
401 	&wm9713_micb_sel_mux_controls),
402 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_EXTENDED_MID, 3, 1,
403 	&wm9713_hpl_mixer_controls[0], ARRAY_SIZE(wm9713_hpl_mixer_controls),
404 	mixer_event, SND_SOC_DAPM_POST_REG),
405 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_EXTENDED_MID, 2, 1,
406 	&wm9713_hpr_mixer_controls[0], ARRAY_SIZE(wm9713_hpr_mixer_controls),
407 	mixer_event, SND_SOC_DAPM_POST_REG),
408 SND_SOC_DAPM_MIXER("Mono Mixer", AC97_EXTENDED_MID, 0, 1,
409 	&wm9713_mono_mixer_controls[0], ARRAY_SIZE(wm9713_mono_mixer_controls)),
410 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_EXTENDED_MID, 1, 1,
411 	&wm9713_speaker_mixer_controls[0],
412 	ARRAY_SIZE(wm9713_speaker_mixer_controls)),
413 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_EXTENDED_MID, 7, 1),
414 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_EXTENDED_MID, 6, 1),
415 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
416 SND_SOC_DAPM_MIXER("HP Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
417 SND_SOC_DAPM_MIXER("Line Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
418 SND_SOC_DAPM_MIXER("Capture Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
419 SND_SOC_DAPM_DAC("Voice DAC", "Voice Playback", AC97_EXTENDED_MID, 12, 1),
420 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", AC97_EXTENDED_MID, 11, 1),
421 SND_SOC_DAPM_PGA("Left ADC", AC97_EXTENDED_MID, 5, 1, NULL, 0),
422 SND_SOC_DAPM_PGA("Right ADC", AC97_EXTENDED_MID, 4, 1, NULL, 0),
423 SND_SOC_DAPM_ADC("Left HiFi ADC", "Left HiFi Capture", SND_SOC_NOPM, 0, 0),
424 SND_SOC_DAPM_ADC("Right HiFi ADC", "Right HiFi Capture", SND_SOC_NOPM, 0, 0),
425 SND_SOC_DAPM_ADC("Left Voice ADC", "Left Voice Capture", SND_SOC_NOPM, 0, 0),
426 SND_SOC_DAPM_ADC("Right Voice ADC", "Right Voice Capture", SND_SOC_NOPM, 0, 0),
427 SND_SOC_DAPM_PGA("Left Headphone", AC97_EXTENDED_MSTATUS, 10, 1, NULL, 0),
428 SND_SOC_DAPM_PGA("Right Headphone", AC97_EXTENDED_MSTATUS, 9, 1, NULL, 0),
429 SND_SOC_DAPM_PGA("Left Speaker", AC97_EXTENDED_MSTATUS, 8, 1, NULL, 0),
430 SND_SOC_DAPM_PGA("Right Speaker", AC97_EXTENDED_MSTATUS, 7, 1, NULL, 0),
431 SND_SOC_DAPM_PGA("Out 3", AC97_EXTENDED_MSTATUS, 11, 1, NULL, 0),
432 SND_SOC_DAPM_PGA("Out 4", AC97_EXTENDED_MSTATUS, 12, 1, NULL, 0),
433 SND_SOC_DAPM_PGA("Mono Out", AC97_EXTENDED_MSTATUS, 13, 1, NULL, 0),
434 SND_SOC_DAPM_PGA("Left Line In", AC97_EXTENDED_MSTATUS, 6, 1, NULL, 0),
435 SND_SOC_DAPM_PGA("Right Line In", AC97_EXTENDED_MSTATUS, 5, 1, NULL, 0),
436 SND_SOC_DAPM_PGA("Mono In", AC97_EXTENDED_MSTATUS, 4, 1, NULL, 0),
437 SND_SOC_DAPM_PGA("Mic A PGA", AC97_EXTENDED_MSTATUS, 3, 1, NULL, 0),
438 SND_SOC_DAPM_PGA("Mic B PGA", AC97_EXTENDED_MSTATUS, 2, 1, NULL, 0),
439 SND_SOC_DAPM_PGA("Mic A Pre Amp", AC97_EXTENDED_MSTATUS, 1, 1, NULL, 0),
440 SND_SOC_DAPM_PGA("Mic B Pre Amp", AC97_EXTENDED_MSTATUS, 0, 1, NULL, 0),
441 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_EXTENDED_MSTATUS, 14, 1),
442 SND_SOC_DAPM_OUTPUT("MONO"),
443 SND_SOC_DAPM_OUTPUT("HPL"),
444 SND_SOC_DAPM_OUTPUT("HPR"),
445 SND_SOC_DAPM_OUTPUT("SPKL"),
446 SND_SOC_DAPM_OUTPUT("SPKR"),
447 SND_SOC_DAPM_OUTPUT("OUT3"),
448 SND_SOC_DAPM_OUTPUT("OUT4"),
449 SND_SOC_DAPM_INPUT("LINEL"),
450 SND_SOC_DAPM_INPUT("LINER"),
451 SND_SOC_DAPM_INPUT("MONOIN"),
452 SND_SOC_DAPM_INPUT("PCBEEP"),
453 SND_SOC_DAPM_INPUT("MIC1"),
454 SND_SOC_DAPM_INPUT("MIC2A"),
455 SND_SOC_DAPM_INPUT("MIC2B"),
456 SND_SOC_DAPM_VMID("VMID"),
457 };
458 
459 static const struct snd_soc_dapm_route audio_map[] = {
460 	/* left HP mixer */
461 	{"Left HP Mixer", "PC Beep Playback Switch", "PCBEEP"},
462 	{"Left HP Mixer", "Voice Playback Switch",   "Voice DAC"},
463 	{"Left HP Mixer", "Aux Playback Switch",     "Aux DAC"},
464 	{"Left HP Mixer", "Bypass Playback Switch",  "Left Line In"},
465 	{"Left HP Mixer", "PCM Playback Switch",     "Left DAC"},
466 	{"Left HP Mixer", "MonoIn Playback Switch",  "Mono In"},
467 	{"Left HP Mixer", NULL,  "Capture Headphone Mux"},
468 
469 	/* right HP mixer */
470 	{"Right HP Mixer", "PC Beep Playback Switch", "PCBEEP"},
471 	{"Right HP Mixer", "Voice Playback Switch",   "Voice DAC"},
472 	{"Right HP Mixer", "Aux Playback Switch",     "Aux DAC"},
473 	{"Right HP Mixer", "Bypass Playback Switch",  "Right Line In"},
474 	{"Right HP Mixer", "PCM Playback Switch",     "Right DAC"},
475 	{"Right HP Mixer", "MonoIn Playback Switch",  "Mono In"},
476 	{"Right HP Mixer", NULL,  "Capture Headphone Mux"},
477 
478 	/* virtual mixer - mixes left & right channels for spk and mono */
479 	{"AC97 Mixer", NULL, "Left DAC"},
480 	{"AC97 Mixer", NULL, "Right DAC"},
481 	{"Line Mixer", NULL, "Right Line In"},
482 	{"Line Mixer", NULL, "Left Line In"},
483 	{"HP Mixer", NULL, "Left HP Mixer"},
484 	{"HP Mixer", NULL, "Right HP Mixer"},
485 	{"Capture Mixer", NULL, "Left Capture Source"},
486 	{"Capture Mixer", NULL, "Right Capture Source"},
487 
488 	/* speaker mixer */
489 	{"Speaker Mixer", "PC Beep Playback Switch", "PCBEEP"},
490 	{"Speaker Mixer", "Voice Playback Switch",   "Voice DAC"},
491 	{"Speaker Mixer", "Aux Playback Switch",     "Aux DAC"},
492 	{"Speaker Mixer", "Bypass Playback Switch",  "Line Mixer"},
493 	{"Speaker Mixer", "PCM Playback Switch",     "AC97 Mixer"},
494 	{"Speaker Mixer", "MonoIn Playback Switch",  "Mono In"},
495 
496 	/* mono mixer */
497 	{"Mono Mixer", "PC Beep Playback Switch", "PCBEEP"},
498 	{"Mono Mixer", "Voice Playback Switch",   "Voice DAC"},
499 	{"Mono Mixer", "Aux Playback Switch",     "Aux DAC"},
500 	{"Mono Mixer", "Bypass Playback Switch",  "Line Mixer"},
501 	{"Mono Mixer", "PCM Playback Switch",     "AC97 Mixer"},
502 	{"Mono Mixer", "Mic 1 Sidetone Switch", "Mic A PGA"},
503 	{"Mono Mixer", "Mic 2 Sidetone Switch", "Mic B PGA"},
504 	{"Mono Mixer", NULL,  "Capture Mono Mux"},
505 
506 	/* DAC inv mux 1 */
507 	{"DAC Inv Mux 1", "Mono", "Mono Mixer"},
508 	{"DAC Inv Mux 1", "Speaker", "Speaker Mixer"},
509 	{"DAC Inv Mux 1", "Left Headphone", "Left HP Mixer"},
510 	{"DAC Inv Mux 1", "Right Headphone", "Right HP Mixer"},
511 	{"DAC Inv Mux 1", "Headphone Mono", "HP Mixer"},
512 
513 	/* DAC inv mux 2 */
514 	{"DAC Inv Mux 2", "Mono", "Mono Mixer"},
515 	{"DAC Inv Mux 2", "Speaker", "Speaker Mixer"},
516 	{"DAC Inv Mux 2", "Left Headphone", "Left HP Mixer"},
517 	{"DAC Inv Mux 2", "Right Headphone", "Right HP Mixer"},
518 	{"DAC Inv Mux 2", "Headphone Mono", "HP Mixer"},
519 
520 	/* headphone left mux */
521 	{"Left Headphone Out Mux", "Headphone", "Left HP Mixer"},
522 
523 	/* headphone right mux */
524 	{"Right Headphone Out Mux", "Headphone", "Right HP Mixer"},
525 
526 	/* speaker left mux */
527 	{"Left Speaker Out Mux", "Headphone", "Left HP Mixer"},
528 	{"Left Speaker Out Mux", "Speaker", "Speaker Mixer"},
529 	{"Left Speaker Out Mux", "Inv", "DAC Inv Mux 1"},
530 
531 	/* speaker right mux */
532 	{"Right Speaker Out Mux", "Headphone", "Right HP Mixer"},
533 	{"Right Speaker Out Mux", "Speaker", "Speaker Mixer"},
534 	{"Right Speaker Out Mux", "Inv", "DAC Inv Mux 2"},
535 
536 	/* mono mux */
537 	{"Mono Out Mux", "Mono", "Mono Mixer"},
538 	{"Mono Out Mux", "Inv", "DAC Inv Mux 1"},
539 
540 	/* out 3 mux */
541 	{"Out 3 Mux", "Inv 1", "DAC Inv Mux 1"},
542 
543 	/* out 4 mux */
544 	{"Out 4 Mux", "Inv 2", "DAC Inv Mux 2"},
545 
546 	/* output pga */
547 	{"HPL", NULL, "Left Headphone"},
548 	{"Left Headphone", NULL, "Left Headphone Out Mux"},
549 	{"HPR", NULL, "Right Headphone"},
550 	{"Right Headphone", NULL, "Right Headphone Out Mux"},
551 	{"OUT3", NULL, "Out 3"},
552 	{"Out 3", NULL, "Out 3 Mux"},
553 	{"OUT4", NULL, "Out 4"},
554 	{"Out 4", NULL, "Out 4 Mux"},
555 	{"SPKL", NULL, "Left Speaker"},
556 	{"Left Speaker", NULL, "Left Speaker Out Mux"},
557 	{"SPKR", NULL, "Right Speaker"},
558 	{"Right Speaker", NULL, "Right Speaker Out Mux"},
559 	{"MONO", NULL, "Mono Out"},
560 	{"Mono Out", NULL, "Mono Out Mux"},
561 
562 	/* input pga */
563 	{"Left Line In", NULL, "LINEL"},
564 	{"Right Line In", NULL, "LINER"},
565 	{"Mono In", NULL, "MONOIN"},
566 	{"Mic A PGA", NULL, "Mic A Pre Amp"},
567 	{"Mic B PGA", NULL, "Mic B Pre Amp"},
568 
569 	/* left capture select */
570 	{"Left Capture Source", "Mic 1", "Mic A Pre Amp"},
571 	{"Left Capture Source", "Mic 2", "Mic B Pre Amp"},
572 	{"Left Capture Source", "Line", "LINEL"},
573 	{"Left Capture Source", "Mono In", "MONOIN"},
574 	{"Left Capture Source", "Headphone", "Left HP Mixer"},
575 	{"Left Capture Source", "Speaker", "Speaker Mixer"},
576 	{"Left Capture Source", "Mono Out", "Mono Mixer"},
577 
578 	/* right capture select */
579 	{"Right Capture Source", "Mic 1", "Mic A Pre Amp"},
580 	{"Right Capture Source", "Mic 2", "Mic B Pre Amp"},
581 	{"Right Capture Source", "Line", "LINER"},
582 	{"Right Capture Source", "Mono In", "MONOIN"},
583 	{"Right Capture Source", "Headphone", "Right HP Mixer"},
584 	{"Right Capture Source", "Speaker", "Speaker Mixer"},
585 	{"Right Capture Source", "Mono Out", "Mono Mixer"},
586 
587 	/* left ADC */
588 	{"Left ADC", NULL, "Left Capture Source"},
589 	{"Left Voice ADC", NULL, "Left ADC"},
590 	{"Left HiFi ADC", NULL, "Left ADC"},
591 
592 	/* right ADC */
593 	{"Right ADC", NULL, "Right Capture Source"},
594 	{"Right Voice ADC", NULL, "Right ADC"},
595 	{"Right HiFi ADC", NULL, "Right ADC"},
596 
597 	/* mic */
598 	{"Mic A Pre Amp", NULL, "Mic A Source"},
599 	{"Mic A Source", "Mic 1", "MIC1"},
600 	{"Mic A Source", "Mic 2 A", "MIC2A"},
601 	{"Mic A Source", "Mic 2 B", "Mic B Source"},
602 	{"Mic B Pre Amp", "MPB", "Mic B Source"},
603 	{"Mic B Source", NULL, "MIC2B"},
604 
605 	/* headphone capture */
606 	{"Capture Headphone Mux", "Stereo", "Capture Mixer"},
607 	{"Capture Headphone Mux", "Left", "Left Capture Source"},
608 	{"Capture Headphone Mux", "Right", "Right Capture Source"},
609 
610 	/* mono capture */
611 	{"Capture Mono Mux", "Stereo", "Capture Mixer"},
612 	{"Capture Mono Mux", "Left", "Left Capture Source"},
613 	{"Capture Mono Mux", "Right", "Right Capture Source"},
614 };
615 
616 static int wm9713_add_widgets(struct snd_soc_codec *codec)
617 {
618 	snd_soc_dapm_new_controls(codec, wm9713_dapm_widgets,
619 				  ARRAY_SIZE(wm9713_dapm_widgets));
620 
621 	snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
622 
623 	snd_soc_dapm_new_widgets(codec);
624 	return 0;
625 }
626 
627 static unsigned int ac97_read(struct snd_soc_codec *codec,
628 	unsigned int reg)
629 {
630 	u16 *cache = codec->reg_cache;
631 
632 	if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
633 		reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
634 		reg == AC97_CD)
635 		return soc_ac97_ops.read(codec->ac97, reg);
636 	else {
637 		reg = reg >> 1;
638 
639 		if (reg > (ARRAY_SIZE(wm9713_reg)))
640 			return -EIO;
641 
642 		return cache[reg];
643 	}
644 }
645 
646 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
647 	unsigned int val)
648 {
649 	u16 *cache = codec->reg_cache;
650 	if (reg < 0x7c)
651 		soc_ac97_ops.write(codec->ac97, reg, val);
652 	reg = reg >> 1;
653 	if (reg <= (ARRAY_SIZE(wm9713_reg)))
654 		cache[reg] = val;
655 
656 	return 0;
657 }
658 
659 /* PLL divisors */
660 struct _pll_div {
661 	u32 divsel:1;
662 	u32 divctl:1;
663 	u32 lf:1;
664 	u32 n:4;
665 	u32 k:24;
666 };
667 
668 /* The size in bits of the PLL divide multiplied by 10
669  * to allow rounding later */
670 #define FIXED_PLL_SIZE ((1 << 22) * 10)
671 
672 static void pll_factors(struct _pll_div *pll_div, unsigned int source)
673 {
674 	u64 Kpart;
675 	unsigned int K, Ndiv, Nmod, target;
676 
677 	/* The the PLL output is always 98.304MHz. */
678 	target = 98304000;
679 
680 	/* If the input frequency is over 14.4MHz then scale it down. */
681 	if (source > 14400000) {
682 		source >>= 1;
683 		pll_div->divsel = 1;
684 
685 		if (source > 14400000) {
686 			source >>= 1;
687 			pll_div->divctl = 1;
688 		} else
689 			pll_div->divctl = 0;
690 
691 	} else {
692 		pll_div->divsel = 0;
693 		pll_div->divctl = 0;
694 	}
695 
696 	/* Low frequency sources require an additional divide in the
697 	 * loop.
698 	 */
699 	if (source < 8192000) {
700 		pll_div->lf = 1;
701 		target >>= 2;
702 	} else
703 		pll_div->lf = 0;
704 
705 	Ndiv = target / source;
706 	if ((Ndiv < 5) || (Ndiv > 12))
707 		printk(KERN_WARNING
708 			"WM9713 PLL N value %d out of recommended range!\n",
709 			Ndiv);
710 
711 	pll_div->n = Ndiv;
712 	Nmod = target % source;
713 	Kpart = FIXED_PLL_SIZE * (long long)Nmod;
714 
715 	do_div(Kpart, source);
716 
717 	K = Kpart & 0xFFFFFFFF;
718 
719 	/* Check if we need to round */
720 	if ((K % 10) >= 5)
721 		K += 5;
722 
723 	/* Move down to proper range now rounding is done */
724 	K /= 10;
725 
726 	pll_div->k = K;
727 }
728 
729 /**
730  * Please note that changing the PLL input frequency may require
731  * resynchronisation with the AC97 controller.
732  */
733 static int wm9713_set_pll(struct snd_soc_codec *codec,
734 	int pll_id, unsigned int freq_in, unsigned int freq_out)
735 {
736 	struct wm9713_priv *wm9713 = codec->private_data;
737 	u16 reg, reg2;
738 	struct _pll_div pll_div;
739 
740 	/* turn PLL off ? */
741 	if (freq_in == 0 || freq_out == 0) {
742 		/* disable PLL power and select ext source */
743 		reg = ac97_read(codec, AC97_HANDSET_RATE);
744 		ac97_write(codec, AC97_HANDSET_RATE, reg | 0x0080);
745 		reg = ac97_read(codec, AC97_EXTENDED_MID);
746 		ac97_write(codec, AC97_EXTENDED_MID, reg | 0x0200);
747 		wm9713->pll_out = 0;
748 		return 0;
749 	}
750 
751 	pll_factors(&pll_div, freq_in);
752 
753 	if (pll_div.k == 0) {
754 		reg = (pll_div.n << 12) | (pll_div.lf << 11) |
755 			(pll_div.divsel << 9) | (pll_div.divctl << 8);
756 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
757 	} else {
758 		/* write the fractional k to the reg 0x46 pages */
759 		reg2 = (pll_div.n << 12) | (pll_div.lf << 11) | (1 << 10) |
760 			(pll_div.divsel << 9) | (pll_div.divctl << 8);
761 
762 		/* K [21:20] */
763 		reg = reg2 | (0x5 << 4) | (pll_div.k >> 20);
764 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
765 
766 		/* K [19:16] */
767 		reg = reg2 | (0x4 << 4) | ((pll_div.k >> 16) & 0xf);
768 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
769 
770 		/* K [15:12] */
771 		reg = reg2 | (0x3 << 4) | ((pll_div.k >> 12) & 0xf);
772 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
773 
774 		/* K [11:8] */
775 		reg = reg2 | (0x2 << 4) | ((pll_div.k >> 8) & 0xf);
776 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
777 
778 		/* K [7:4] */
779 		reg = reg2 | (0x1 << 4) | ((pll_div.k >> 4) & 0xf);
780 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
781 
782 		reg = reg2 | (0x0 << 4) | (pll_div.k & 0xf); /* K [3:0] */
783 		ac97_write(codec, AC97_LINE1_LEVEL, reg);
784 	}
785 
786 	/* turn PLL on and select as source */
787 	reg = ac97_read(codec, AC97_EXTENDED_MID);
788 	ac97_write(codec, AC97_EXTENDED_MID, reg & 0xfdff);
789 	reg = ac97_read(codec, AC97_HANDSET_RATE);
790 	ac97_write(codec, AC97_HANDSET_RATE, reg & 0xff7f);
791 	wm9713->pll_out = freq_out;
792 	wm9713->pll_in = freq_in;
793 
794 	/* wait 10ms AC97 link frames for the link to stabilise */
795 	schedule_timeout_interruptible(msecs_to_jiffies(10));
796 	return 0;
797 }
798 
799 static int wm9713_set_dai_pll(struct snd_soc_dai *codec_dai,
800 		int pll_id, unsigned int freq_in, unsigned int freq_out)
801 {
802 	struct snd_soc_codec *codec = codec_dai->codec;
803 	return wm9713_set_pll(codec, pll_id, freq_in, freq_out);
804 }
805 
806 /*
807  * Tristate the PCM DAI lines, tristate can be disabled by calling
808  * wm9713_set_dai_fmt()
809  */
810 static int wm9713_set_dai_tristate(struct snd_soc_dai *codec_dai,
811 	int tristate)
812 {
813 	struct snd_soc_codec *codec = codec_dai->codec;
814 	u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0x9fff;
815 
816 	if (tristate)
817 		ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
818 
819 	return 0;
820 }
821 
822 /*
823  * Configure WM9713 clock dividers.
824  * Voice DAC needs 256 FS
825  */
826 static int wm9713_set_dai_clkdiv(struct snd_soc_dai *codec_dai,
827 		int div_id, int div)
828 {
829 	struct snd_soc_codec *codec = codec_dai->codec;
830 	u16 reg;
831 
832 	switch (div_id) {
833 	case WM9713_PCMCLK_DIV:
834 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xf0ff;
835 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
836 		break;
837 	case WM9713_CLKA_MULT:
838 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffd;
839 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
840 		break;
841 	case WM9713_CLKB_MULT:
842 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0xfffb;
843 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
844 		break;
845 	case WM9713_HIFI_DIV:
846 		reg = ac97_read(codec, AC97_HANDSET_RATE) & 0x8fff;
847 		ac97_write(codec, AC97_HANDSET_RATE, reg | div);
848 		break;
849 	case WM9713_PCMBCLK_DIV:
850 		reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xf1ff;
851 		ac97_write(codec, AC97_CENTER_LFE_MASTER, reg | div);
852 		break;
853 	case WM9713_PCMCLK_PLL_DIV:
854 		reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
855 		ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x60 | div);
856 		break;
857 	case WM9713_HIFI_PLL_DIV:
858 		reg = ac97_read(codec, AC97_LINE1_LEVEL) & 0xff80;
859 		ac97_write(codec, AC97_LINE1_LEVEL, reg | 0x70 | div);
860 		break;
861 	default:
862 		return -EINVAL;
863 	}
864 
865 	return 0;
866 }
867 
868 static int wm9713_set_dai_fmt(struct snd_soc_dai *codec_dai,
869 		unsigned int fmt)
870 {
871 	struct snd_soc_codec *codec = codec_dai->codec;
872 	u16 gpio = ac97_read(codec, AC97_GPIO_CFG) & 0xffc5;
873 	u16 reg = 0x8000;
874 
875 	/* clock masters */
876 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
877 	case SND_SOC_DAIFMT_CBM_CFM:
878 		reg |= 0x4000;
879 		gpio |= 0x0010;
880 		break;
881 	case SND_SOC_DAIFMT_CBM_CFS:
882 		reg |= 0x6000;
883 		gpio |= 0x0018;
884 		break;
885 	case SND_SOC_DAIFMT_CBS_CFS:
886 		reg |= 0x2000;
887 		gpio |= 0x001a;
888 		break;
889 	case SND_SOC_DAIFMT_CBS_CFM:
890 		gpio |= 0x0012;
891 		break;
892 	}
893 
894 	/* clock inversion */
895 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
896 	case SND_SOC_DAIFMT_IB_IF:
897 		reg |= 0x00c0;
898 		break;
899 	case SND_SOC_DAIFMT_IB_NF:
900 		reg |= 0x0080;
901 		break;
902 	case SND_SOC_DAIFMT_NB_IF:
903 		reg |= 0x0040;
904 		break;
905 	}
906 
907 	/* DAI format */
908 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
909 	case SND_SOC_DAIFMT_I2S:
910 		reg |= 0x0002;
911 		break;
912 	case SND_SOC_DAIFMT_RIGHT_J:
913 		break;
914 	case SND_SOC_DAIFMT_LEFT_J:
915 		reg |= 0x0001;
916 		break;
917 	case SND_SOC_DAIFMT_DSP_A:
918 		reg |= 0x0003;
919 		break;
920 	case SND_SOC_DAIFMT_DSP_B:
921 		reg |= 0x0043;
922 		break;
923 	}
924 
925 	ac97_write(codec, AC97_GPIO_CFG, gpio);
926 	ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
927 	return 0;
928 }
929 
930 static int wm9713_pcm_hw_params(struct snd_pcm_substream *substream,
931 				struct snd_pcm_hw_params *params,
932 				struct snd_soc_dai *dai)
933 {
934 	struct snd_soc_codec *codec = dai->codec;
935 	u16 reg = ac97_read(codec, AC97_CENTER_LFE_MASTER) & 0xfff3;
936 
937 	switch (params_format(params)) {
938 	case SNDRV_PCM_FORMAT_S16_LE:
939 		break;
940 	case SNDRV_PCM_FORMAT_S20_3LE:
941 		reg |= 0x0004;
942 		break;
943 	case SNDRV_PCM_FORMAT_S24_LE:
944 		reg |= 0x0008;
945 		break;
946 	case SNDRV_PCM_FORMAT_S32_LE:
947 		reg |= 0x000c;
948 		break;
949 	}
950 
951 	/* enable PCM interface in master mode */
952 	ac97_write(codec, AC97_CENTER_LFE_MASTER, reg);
953 	return 0;
954 }
955 
956 static void wm9713_voiceshutdown(struct snd_pcm_substream *substream,
957 				 struct snd_soc_dai *dai)
958 {
959 	struct snd_soc_codec *codec = dai->codec;
960 	u16 status;
961 
962 	/* Gracefully shut down the voice interface. */
963 	status = ac97_read(codec, AC97_EXTENDED_STATUS) | 0x1000;
964 	ac97_write(codec, AC97_HANDSET_RATE, 0x0280);
965 	schedule_timeout_interruptible(msecs_to_jiffies(1));
966 	ac97_write(codec, AC97_HANDSET_RATE, 0x0F80);
967 	ac97_write(codec, AC97_EXTENDED_MID, status);
968 }
969 
970 static int ac97_hifi_prepare(struct snd_pcm_substream *substream,
971 			     struct snd_soc_dai *dai)
972 {
973 	struct snd_soc_codec *codec = dai->codec;
974 	struct snd_pcm_runtime *runtime = substream->runtime;
975 	int reg;
976 	u16 vra;
977 
978 	vra = ac97_read(codec, AC97_EXTENDED_STATUS);
979 	ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
980 
981 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
982 		reg = AC97_PCM_FRONT_DAC_RATE;
983 	else
984 		reg = AC97_PCM_LR_ADC_RATE;
985 
986 	return ac97_write(codec, reg, runtime->rate);
987 }
988 
989 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
990 			    struct snd_soc_dai *dai)
991 {
992 	struct snd_soc_codec *codec = dai->codec;
993 	struct snd_pcm_runtime *runtime = substream->runtime;
994 	u16 vra, xsle;
995 
996 	vra = ac97_read(codec, AC97_EXTENDED_STATUS);
997 	ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
998 	xsle = ac97_read(codec, AC97_PCI_SID);
999 	ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
1000 
1001 	if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
1002 		return -ENODEV;
1003 
1004 	return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
1005 }
1006 
1007 #define WM9713_RATES (SNDRV_PCM_RATE_8000  |	\
1008 		      SNDRV_PCM_RATE_11025 |	\
1009 		      SNDRV_PCM_RATE_22050 |	\
1010 		      SNDRV_PCM_RATE_44100 |	\
1011 		      SNDRV_PCM_RATE_48000)
1012 
1013 #define WM9713_PCM_RATES (SNDRV_PCM_RATE_8000  |	\
1014 			  SNDRV_PCM_RATE_11025 |	\
1015 			  SNDRV_PCM_RATE_16000 |	\
1016 			  SNDRV_PCM_RATE_22050 |	\
1017 			  SNDRV_PCM_RATE_44100 |	\
1018 			  SNDRV_PCM_RATE_48000)
1019 
1020 #define WM9713_PCM_FORMATS \
1021 	(SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \
1022 	 SNDRV_PCM_FORMAT_S24_LE)
1023 
1024 struct snd_soc_dai wm9713_dai[] = {
1025 {
1026 	.name = "AC97 HiFi",
1027 	.type = SND_SOC_DAI_AC97_BUS,
1028 	.playback = {
1029 		.stream_name = "HiFi Playback",
1030 		.channels_min = 1,
1031 		.channels_max = 2,
1032 		.rates = WM9713_RATES,
1033 		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
1034 	.capture = {
1035 		.stream_name = "HiFi Capture",
1036 		.channels_min = 1,
1037 		.channels_max = 2,
1038 		.rates = WM9713_RATES,
1039 		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
1040 	.ops = {
1041 		.prepare = ac97_hifi_prepare,
1042 		.set_clkdiv = wm9713_set_dai_clkdiv,
1043 		.set_pll = wm9713_set_dai_pll,},
1044 	},
1045 	{
1046 	.name = "AC97 Aux",
1047 	.playback = {
1048 		.stream_name = "Aux Playback",
1049 		.channels_min = 1,
1050 		.channels_max = 1,
1051 		.rates = WM9713_RATES,
1052 		.formats = SNDRV_PCM_FMTBIT_S16_LE,},
1053 	.ops = {
1054 		.prepare = ac97_aux_prepare,
1055 		.set_clkdiv = wm9713_set_dai_clkdiv,
1056 		.set_pll = wm9713_set_dai_pll,},
1057 	},
1058 	{
1059 	.name = "WM9713 Voice",
1060 	.playback = {
1061 		.stream_name = "Voice Playback",
1062 		.channels_min = 1,
1063 		.channels_max = 1,
1064 		.rates = WM9713_PCM_RATES,
1065 		.formats = WM9713_PCM_FORMATS,},
1066 	.capture = {
1067 		.stream_name = "Voice Capture",
1068 		.channels_min = 1,
1069 		.channels_max = 2,
1070 		.rates = WM9713_PCM_RATES,
1071 		.formats = WM9713_PCM_FORMATS,},
1072 	.ops = {
1073 		.hw_params = wm9713_pcm_hw_params,
1074 		.shutdown = wm9713_voiceshutdown,
1075 		.set_clkdiv = wm9713_set_dai_clkdiv,
1076 		.set_pll = wm9713_set_dai_pll,
1077 		.set_fmt = wm9713_set_dai_fmt,
1078 		.set_tristate = wm9713_set_dai_tristate,
1079 	},
1080 	},
1081 };
1082 EXPORT_SYMBOL_GPL(wm9713_dai);
1083 
1084 int wm9713_reset(struct snd_soc_codec *codec, int try_warm)
1085 {
1086 	if (try_warm && soc_ac97_ops.warm_reset) {
1087 		soc_ac97_ops.warm_reset(codec->ac97);
1088 		if (ac97_read(codec, 0) == wm9713_reg[0])
1089 			return 1;
1090 	}
1091 
1092 	soc_ac97_ops.reset(codec->ac97);
1093 	if (soc_ac97_ops.warm_reset)
1094 		soc_ac97_ops.warm_reset(codec->ac97);
1095 	if (ac97_read(codec, 0) != wm9713_reg[0])
1096 		return -EIO;
1097 	return 0;
1098 }
1099 EXPORT_SYMBOL_GPL(wm9713_reset);
1100 
1101 static int wm9713_set_bias_level(struct snd_soc_codec *codec,
1102 				 enum snd_soc_bias_level level)
1103 {
1104 	u16 reg;
1105 
1106 	switch (level) {
1107 	case SND_SOC_BIAS_ON:
1108 		/* enable thermal shutdown */
1109 		reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x1bff;
1110 		ac97_write(codec, AC97_EXTENDED_MID, reg);
1111 		break;
1112 	case SND_SOC_BIAS_PREPARE:
1113 		break;
1114 	case SND_SOC_BIAS_STANDBY:
1115 		/* enable master bias and vmid */
1116 		reg = ac97_read(codec, AC97_EXTENDED_MID) & 0x3bff;
1117 		ac97_write(codec, AC97_EXTENDED_MID, reg);
1118 		ac97_write(codec, AC97_POWERDOWN, 0x0000);
1119 		break;
1120 	case SND_SOC_BIAS_OFF:
1121 		/* disable everything including AC link */
1122 		ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
1123 		ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1124 		ac97_write(codec, AC97_POWERDOWN, 0xffff);
1125 		break;
1126 	}
1127 	codec->bias_level = level;
1128 	return 0;
1129 }
1130 
1131 static int wm9713_soc_suspend(struct platform_device *pdev,
1132 	pm_message_t state)
1133 {
1134 	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1135 	struct snd_soc_codec *codec = socdev->codec;
1136 	u16 reg;
1137 
1138 	/* Disable everything except touchpanel - that will be handled
1139 	 * by the touch driver and left disabled if touch is not in
1140 	 * use. */
1141 	reg = ac97_read(codec, AC97_EXTENDED_MID);
1142 	ac97_write(codec, AC97_EXTENDED_MID, reg | 0x7fff);
1143 	ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
1144 	ac97_write(codec, AC97_POWERDOWN, 0x6f00);
1145 	ac97_write(codec, AC97_POWERDOWN, 0xffff);
1146 
1147 	return 0;
1148 }
1149 
1150 static int wm9713_soc_resume(struct platform_device *pdev)
1151 {
1152 	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1153 	struct snd_soc_codec *codec = socdev->codec;
1154 	struct wm9713_priv *wm9713 = codec->private_data;
1155 	int i, ret;
1156 	u16 *cache = codec->reg_cache;
1157 
1158 	ret = wm9713_reset(codec, 1);
1159 	if (ret < 0) {
1160 		printk(KERN_ERR "could not reset AC97 codec\n");
1161 		return ret;
1162 	}
1163 
1164 	wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1165 
1166 	/* do we need to re-start the PLL ? */
1167 	if (wm9713->pll_out)
1168 		wm9713_set_pll(codec, 0, wm9713->pll_in, wm9713->pll_out);
1169 
1170 	/* only synchronise the codec if warm reset failed */
1171 	if (ret == 0) {
1172 		for (i = 2; i < ARRAY_SIZE(wm9713_reg) << 1; i += 2) {
1173 			if (i == AC97_POWERDOWN || i == AC97_EXTENDED_MID ||
1174 				i == AC97_EXTENDED_MSTATUS || i > 0x66)
1175 				continue;
1176 			soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
1177 		}
1178 	}
1179 
1180 	if (codec->suspend_bias_level == SND_SOC_BIAS_ON)
1181 		wm9713_set_bias_level(codec, SND_SOC_BIAS_ON);
1182 
1183 	return ret;
1184 }
1185 
1186 static int wm9713_soc_probe(struct platform_device *pdev)
1187 {
1188 	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1189 	struct snd_soc_codec *codec;
1190 	int ret = 0, reg;
1191 
1192 	printk(KERN_INFO "WM9713/WM9714 SoC Audio Codec %s\n", WM9713_VERSION);
1193 
1194 	socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
1195 	if (socdev->codec == NULL)
1196 		return -ENOMEM;
1197 	codec = socdev->codec;
1198 	mutex_init(&codec->mutex);
1199 
1200 	codec->reg_cache = kmemdup(wm9713_reg, sizeof(wm9713_reg), GFP_KERNEL);
1201 	if (codec->reg_cache == NULL) {
1202 		ret = -ENOMEM;
1203 		goto cache_err;
1204 	}
1205 	codec->reg_cache_size = sizeof(wm9713_reg);
1206 	codec->reg_cache_step = 2;
1207 
1208 	codec->private_data = kzalloc(sizeof(struct wm9713_priv), GFP_KERNEL);
1209 	if (codec->private_data == NULL) {
1210 		ret = -ENOMEM;
1211 		goto priv_err;
1212 	}
1213 
1214 	codec->name = "WM9713";
1215 	codec->owner = THIS_MODULE;
1216 	codec->dai = wm9713_dai;
1217 	codec->num_dai = ARRAY_SIZE(wm9713_dai);
1218 	codec->write = ac97_write;
1219 	codec->read = ac97_read;
1220 	codec->set_bias_level = wm9713_set_bias_level;
1221 	INIT_LIST_HEAD(&codec->dapm_widgets);
1222 	INIT_LIST_HEAD(&codec->dapm_paths);
1223 
1224 	ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
1225 	if (ret < 0)
1226 		goto codec_err;
1227 
1228 	/* register pcms */
1229 	ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
1230 	if (ret < 0)
1231 		goto pcm_err;
1232 
1233 	/* do a cold reset for the controller and then try
1234 	 * a warm reset followed by an optional cold reset for codec */
1235 	wm9713_reset(codec, 0);
1236 	ret = wm9713_reset(codec, 1);
1237 	if (ret < 0) {
1238 		printk(KERN_ERR "Failed to reset WM9713: AC97 link error\n");
1239 		goto reset_err;
1240 	}
1241 
1242 	wm9713_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
1243 
1244 	/* unmute the adc - move to kcontrol */
1245 	reg = ac97_read(codec, AC97_CD) & 0x7fff;
1246 	ac97_write(codec, AC97_CD, reg);
1247 
1248 	wm9713_add_controls(codec);
1249 	wm9713_add_widgets(codec);
1250 	ret = snd_soc_register_card(socdev);
1251 	if (ret < 0)
1252 		goto reset_err;
1253 	return 0;
1254 
1255 reset_err:
1256 	snd_soc_free_pcms(socdev);
1257 
1258 pcm_err:
1259 	snd_soc_free_ac97_codec(codec);
1260 
1261 codec_err:
1262 	kfree(codec->private_data);
1263 
1264 priv_err:
1265 	kfree(codec->reg_cache);
1266 
1267 cache_err:
1268 	kfree(socdev->codec);
1269 	socdev->codec = NULL;
1270 	return ret;
1271 }
1272 
1273 static int wm9713_soc_remove(struct platform_device *pdev)
1274 {
1275 	struct snd_soc_device *socdev = platform_get_drvdata(pdev);
1276 	struct snd_soc_codec *codec = socdev->codec;
1277 
1278 	if (codec == NULL)
1279 		return 0;
1280 
1281 	snd_soc_dapm_free(socdev);
1282 	snd_soc_free_pcms(socdev);
1283 	snd_soc_free_ac97_codec(codec);
1284 	kfree(codec->private_data);
1285 	kfree(codec->reg_cache);
1286 	kfree(codec->dai);
1287 	kfree(codec);
1288 	return 0;
1289 }
1290 
1291 struct snd_soc_codec_device soc_codec_dev_wm9713 = {
1292 	.probe = 	wm9713_soc_probe,
1293 	.remove = 	wm9713_soc_remove,
1294 	.suspend =	wm9713_soc_suspend,
1295 	.resume = 	wm9713_soc_resume,
1296 };
1297 EXPORT_SYMBOL_GPL(soc_codec_dev_wm9713);
1298 
1299 MODULE_DESCRIPTION("ASoC WM9713/WM9714 driver");
1300 MODULE_AUTHOR("Liam Girdwood");
1301 MODULE_LICENSE("GPL");
1302